<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>iview example</title>
    <link rel="stylesheet" type="text/css" href="http://unpkg.com/iview/dist/styles/iview.css">
    <script type="text/javascript" src="http://v1.vuejs.org/js/vue.min.js"></script>
    <script type="text/javascript" src="http://unpkg.com/iview@1.0.1/dist/iview.min.js"></script>
</head>
<body>
<div id="app">
    <i-button @click="show">Click me!</i-button>
    <Checkbox  disabled :checked="true">不参加单品满赠促销</Checkbox>
    <Checkbox  disabled :checked="checked">不参与全场满减促销</Checkbox>
</div>
<script>
    let vue = new Vue({
        el: '#app',
        data: {
            visible: false,
            promotion: {
                singleMutexGift: false,
                singleMutexPlat: false
            }
        },
        methods: {
            show: function () {
                this.visible = true;
            }
        },
        watch: {
            "promotion.singleMutexGift"(va,vd){
                console.log((va))
            }
        }
    })
</script>
</body>
</html>